Comparison of Proportional Mortality Between Korean Atomic Bomb Survivors and the General Population During 1992–2019open access
- Authors
- Jeong, Ansun; Moon, Seong-geun; Han, Yunji; Nam, Jin-Wu; Kim, Mi Kyung; Kim, Inah; Kim, Yu-Mi; Park, Boyoung
- Issue Date
- Apr-2023
- Publisher
- Korean Academy of Medical Science
- Keywords
- Atomic Bomb Survivors; Proportional Mortality; Radiation
- Citation
- Journal of Korean Medical Science, v.38, no.13, pp.1 - 13
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of Korean Medical Science
- Volume
- 38
- Number
- 13
- Start Page
- 1
- End Page
- 13
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/193121
- DOI
- 10.3346/jkms.2023.38.e110
- ISSN
- 1011-8934
- Abstract
- Background: Atomic bombs dropped on Hiroshima and Nagasaki in Japan in August 1945 were estimated to have killed approximately 70,000 Koreans. In Japan, studies on the health status and mortality of atomic bomb survivors compared with the non-exposed population have been conducted. However, there have been no studies related to the mortality of Korean atomic bomb survivors. Therefore, we aimed to study the cause of death of atomic bomb survivors compared to that of the general population. Methods: Of 2,299 atomic bomb survivors registered with the Korean Red Cross, 2,176 were included in the study. In the general population, the number of deaths by age group was calculated from 1992 to 2019, and 6,377,781 individuals were assessed. Causes of death were categorized according to the Korean Standard Classification of Diseases. To compare the proportional mortality between the two groups, the P value for the ratio test was confirmed, and the Cochran-Armitage trend test and χ2 test were performed to determine the cause of death according to the distance from the hypocenter. Results: Diseases of the circulatory system were the most common cause of death (25.4%), followed by neoplasms (25.1%) and diseases of the respiratory system (10.6%) in atomic bomb survivors who died between 1992 and 2019. The proportional mortality associated with respiratory diseases, nervous system diseases, and other diseases among atomic bomb survivors was higher than that of the general population. Of the dead people between 1992 and 2019, the age at death of survivors who were exposed at a close distance was younger than those who were exposed at a greater distance. Conclusion: Overall, proportional mortality of respiratory diseases and nervous system diseases was high in atomic bomb survivors, compared with the general population. Further studies on the health status of Korean atomic bomb survivors are needed.
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